ˌmystery ˈshopper noun [countableC] someone whose job is to visit different shops, pretending to be someone who is buying something, but who is really collecting information about what goods people buy and why they buy them. The information is used when planning how to sell a particular product. 神秘顾客〔指假扮顾客到商店收集消费者购买信息以便销售某种产品的人〕